“掌上热力”是北京市热力集团有限责任公司面向广大用户推出的掌上互动服务应用软件，旨在为广大用户提供完善、便捷、舒心的人性化用热服务。"Palm heat" is a mobile client software launched by the beijing district heating group，aiming at providing a perfect, convenient and comfortable for the majority of users with warm service.